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Audio Frequency Transformer

Model / MPN: 697119-1 | NSN: 5950-01-089-7613
ITAR Registered seal

A transformer which is designed so that part or all of its range of operating frequencies is 20 kilohertz (kilocycles) and below. The value may extend into the radio frequency range. It is generally used in the input, output, amplifier, or oscillator stages of audio and sonar devices.

Product Details
NATO Stock Number
Sold in multiples of
Reliability Indicator
Not established
Overall Length
3.500 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
2.650 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
2.125 inches single mounting facility single center group
Overall Height
4.875 inches
Overall Width
3.000 inches
Frequency Rating
20.0 hertz single component and 100.0 kilohertz single component
Inclosure Type
Hermetically sealed
Mounting Facility Quantity
4 single group
Mounting Method
Threaded stud single group
Winding Function And Quantity
1 primary single component and 1 secondary single component
Thready Qty Per Inch (tpi)
32 single group
Thread Size
0.164 inches single group
Thread Series Designator
Unc single group
Terminal Type And Quantity
7 standoff insulator
697119 Series Parts

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697119-1 Cross Reference
  • 697119-1
  • 697119-1
  • 697119-1
  • 697119-1